Re: Valve seats

[Thomas Walter <twalter@austin.rr.com>]

Soft bonze was originally used.

If you are having the head reworked, cheap insurance
to have the exhaust valve seats replaced with Stellite,
or another modern material (Stellite has been around
since the 1930's!)

Cheers,

Tom Walter
Austin, TX

Roadster wrote:

> Howdy All!
> 
> Are the original valve seats in a U20 hardened?  Or, do they need to be
> replaced to run unleaded gas?
> 
> --
> Best regards,
> 
> Fred Schroeder
> '70 2000
> SRL311-13359